天码av无码一区二区三区四区,久久无码人妻精品一区二区三区 ,国产乱妇无码大黄aa片,玩弄japan白嫩少妇hd小说

BFS-300/220V BFAG-400/220V璧式防爆排風扇適用環境

適用于1區、2區危險場所;

Can be used in zone 1, zone 2 hazardous;

適用于ⅡA、ⅡB類T4及以下組別爆炸性氣體環境;

Applicable toⅡ A,ⅡB and below T4 group explosive gas environment;

廣泛應用于石油、化工等危險場所作廠房或室內外通風冷卻散熱裝置之用。

Widely used in petroleum, chemical industry, military industry and other dangerous places make workshop or indoor and outdoor ventilation cooling device for.

隔爆型防爆排風扇（以下簡稱防爆排風扇）其防爆性能按GB3836.1-8《防爆性環境用防爆電氣設備通用要求》GB3836.2-2000《防爆性環境用防爆電氣設備隔爆型電氣設備“d"》的規定制成隔爆型。防爆標志為ExdIIBT4，適用于II類，A、B級T1、T2、T3、T4溫度組，可燃性氣體與空氣形成的爆炸性環境，本品具有防爆性能可靠、風量大、噪聲小、耗電省等優點。

Flameproof explosion-proof fan ( hereinafter referred to as explosion-proof fan ) the explosion-proof performance according to GB3836.1-8 " explosion-proof environment with explosion-proof electrical equipment General requirements " GB3836.2-2000 " explosion-proof and explosion-proof electrical equipment with the environment of flameproof electrical apparatus " " d " provisions made of explosion-proof. Explosion proof mark for ExdIIBT4, applies to II, A, B T1, T2, T3, T4 temperature group, combustible gas and air to form explosive environment, this product has reliable explosion-proof performance, large air volume, low noise, low power consumption and other advantages.

BFS-300/220V BFAG-400/220V璧式防爆排風扇主要技術參數：

BFS-300防爆軸流風機，風葉直徑300mm，功率0.12KW,主軸轉數1450rpm,風量2200 m3/h;電壓220V/380V

BFS-400防爆軸流風機，風葉直徑400mm，功率0.18KW,主軸轉數1450rpm,風量2400 m3/h;電壓220V/380V

BFS-500防爆軸流風機，風葉直徑500mm，功率0.25KW,主軸轉數1450rpm,風量4900 m3/h;電壓220V/380V

BFS-600防爆軸流風機，風葉直徑600mm，功率0.37KW,主軸轉數1450rpm,風量8500 m3/h;電壓220V/380V